package com.zhaoyue.study.netty.socket;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.serialization.ClassResolvers;
import io.netty.handler.codec.serialization.ObjectDecoder;
import io.netty.handler.codec.serialization.ObjectEncoder;

/**
 * @author zhaoyue
 * @description:
 * @create 2018-11-13 下午5:04
 **/
public class SubReqClient {

    public void connect(String host, int port) {
        EventLoopGroup eventExecutors = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(eventExecutors).channel(NioSocketChannel.class)
                    .option(ChannelOption.TCP_NODELAY, true)
                    .handler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        protected void initChannel(SocketChannel ch) throws Exception {
                            ch.pipeline().addLast(new ObjectDecoder(1024 * 1024,
                                    ClassResolvers.cacheDisabled(this.getClass().getClassLoader())));
                            ch.pipeline().addLast(new ObjectEncoder());
                            ch.pipeline().addLast(new SubReqClientHandler());
                        }
                    });

            //绑定端口,同步等待成功
            ChannelFuture f = b.connect(host, port).sync();
            //等待服务端监听端口关闭
            f.channel().closeFuture().sync();

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            eventExecutors.shutdownGracefully();
        }
    }

    public static void main(String[] args) {
        try {
            new SubReqClient().connect("127.0.0.1", 5050);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
